function ex_MultFormation
N=5;L=10;R=1;ang=0;
for j=1:N,
    ang=ang+rand(1);
    pos=(R+rand_float(0,L-R))*[cos(ang),sin(ang)];
    P{j}=newplayer('pos',pos,'ang',ang,'Leader',j-1,'image','images/robot.jpg','legend','b','speed',0.5,'step_func','MF_step_player');
end;
G=newgame(P,'axis',[-L L -L L],'pause','pause(0.001)','min_r',0,'h',0.1,'R',R);
G=simgame(G)
return
